It depends on the season: trees decrease the risk of developing asthma during the leafy season but increase ... and minimize the harms associated with green infrastructures in urban areas.

Nearly 700 mature trees are being planted in parks and green spaces to improve a county's air quality, a council has said.

Along with the green pigment are yellow to orange pigments ... At the point where the stem of the leaf is attached to the tree, a special layer of cells develops and gradually severs the tissues that ...

We think of fall as the season when the leaves change colors. But leaves don’t actually change color; pigments that have always been present within the leaf are revealed as the tree shuts ...

Because money trees are fast-growing houseplants, you might find you need to cut yours back from time to time to maintain it at a manageable size. Knowing how to prune a money tree (Pachira ...